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February 9th, 2026 :: 11:51 pm CST   

Local Weather Report for
Decatur
Illinois, United States

 Current Decatur Weather Conditions Updated February 9th at 10:54 pm 
Temperature:36°F Dew Point:27°F
Barometer:29.98 inHg Wind:N 17 Mph
Humidity:69.4% Visibility:0M
 
 Decatur Weather Forecast Summary  
 
Today
Feb 9th
Tuesday
Feb 10th
Wednesday
Feb 11th
Thursday
Feb 12th
Friday
Feb 13th
Cloudy Mostly Sunny Cloudy Cloudy Cloudy
38°F
47°F
33°F
43°F
30°F
42°F
32°F
44°F
33°F
 
 Decatur Detailed Weather Forecast  
 
Tuesday, February 10th, 2026
Overnight Temperature: 39°F
Clear. Windy at times.
Morning Temperature: 46°F
Sunny with cloudy periods. Windy at times.
Afternoon Temperature: 37°F
A mix of cloud and sun.
Evening Temperature: 34°F
Clear. Windy at times.
Wednesday, February 11th, 2026
Overnight Temperature: 31°F
Clear.
Morning Temperature: 39°F
Cloudy. Windy at times.
Afternoon Temperature: 36°F
Sunny.
Evening Temperature: 33°F
Cloudy.
Thursday, February 12th, 2026
Overnight Temperature: 32°F
Cloudy.
Morning Temperature: 38°F
Cloudy.
Afternoon Temperature: 37°F
Cloudy.
Evening Temperature: 35°F
Cloudy.
Friday, February 13th, 2026
Overnight Temperature: 33°F
Cloudy.
Morning Temperature: 39°F
Cloudy. Windy at times.
Afternoon Temperature: 41°F
Cloudy.
Evening Temperature: 38°F
Cloudy.
Saturday, February 14th, 2026
Overnight Temperature: 36°F
Cloudy.
Morning Temperature: 43°F
Cloudy.
Afternoon Temperature: 43°F
Sunny.
Evening Temperature: 38°F
Clear.
Sunday, February 15th, 2026
Overnight Temperature: 34°F
Clear.
Morning Temperature: 46°F
Sunny.
Afternoon Temperature: 46°F
Sunny.
Evening Temperature: 42°F
A mix of cloudy and clear skies.
Monday, February 16th, 2026
Overnight Temperature: 37°F
Clear.
Morning Temperature: 52°F
Cloudy. Windy.
Afternoon Temperature: 52°F
A mix of sun and cloud. Windy at times.
Evening Temperature: 50°F
Cloudy. Windy at times.
Tuesday, February 17th, 2026
Overnight Temperature: 48°F
Cloudy. Windy at times.
Morning Temperature: 58°F
Cloudy.
Afternoon Temperature: 58°F
A mix of cloud and sun.
Evening Temperature: 49°F
Cloudy. Windy at times.





 

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10:55 PM  37°F
 
 
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Champaign, IL 
10:53 PM  34°F
 
 
Lincoln, IL 
10:55 PM  36°F
 
 
Urbana, IL 
10:53 PM  34°F
 

 
This WeatherCity Weather Forecast for Decatur, Illinois, United States is computed using a computer-generated forecast model and should be considered experimental. Please confirm this weather information with your official weather information office

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